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Just follow these three easy steps to upgrade your Jabra BT320s STEP 1 • Connect your BT320s to your PC by inserting the USB cable* into the charging socket of the BT320s (see illustration) and insert the USB connector into an USB port on your PC. Make sure your Jabra BT320s is turned off.
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Simultaneously, press both the Play/Pause button (5) and the Skip Track button (11) until the LED light turns solid yellow (see illustration) – the Jabra BT320s is now in upgrade mode. Your PC will now automatically find your Jabra BT320s.
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DO NOT DISCONNECT YOUR HEADSET DURING UPGRADE. STEP 3 • After successful upgrade this screen will show and the LED will be solid red again. Click “Finish” and you can now disconnect your BT320s. The Jabra BT320s is now updated with the latest software.